Vietnam, Thua Thien – Hue Prov., A Luoi Distr., Hong Van Municipality, Ta Lo village, around point 16°21'52''N, 107°09'36''E at elevation about 700-750 m a.s.l. Secondary open broad-leaved forest and shrubs on steep mountain slopes composed with shale and granite. Undershrub 1-1.5 m tall on wet stream slope. Flowers white, base of tube purple. Occasional.
Record creation: 2026-10-19, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360728 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360728